Arrays of Arrays in Varying Length : Multidimensional Arrays « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Multidimensional Arrays

public class MainClass {

  public static void main(String[] arg) {
    float[][] samples = new float[6][]; // Define 6 elements,
    // each is an array
    for (int i = 0; i < samples.length; i++) {
      samples[i] = new float[i + 1]; // Allocate each array
    }
    
    for (int i = 0; i < samples.length; i++) {
      System.out.println(samples[i].length);
    }
    
  }

}

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